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SN74LS138N

SN74LS138N

Manufacturer No:

SN74LS138N

Manufacturer:

Texas Instruments

Description:

IC DECODER/DEMUX 1X3:8 16DIP

Datasheet:

Datasheet

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SN74LS138N Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-PDIP
  • Package / Case
    16-DIP (0.300", 7.62mm)
  • Mounting Type
    Through Hole
  • Operating Temperature
    0°C ~ 70°C
  • Voltage - Supply
    4.75V ~ 5.25V
  • Voltage Supply Source
    Single Supply
  • Current - Output High, Low
    400µA, 8mA
  • Independent Circuits
    1
  • Circuit
    1 x 3:8
  • Type
    Decoder/Demultiplexer
  • Packaging
    Tube
  • Product Status
    Active
  • Series
    74LS
The SN74LS138N is a 3-to-8 line decoder/demultiplexer integrated circuit chip. It has several advantages and application scenarios, including:1. Simplified circuit design: The SN74LS138N eliminates the need for complex combinational logic circuits to decode multiple input signals. It provides a simple and efficient solution for decoding and demultiplexing.2. High-speed operation: This chip operates at high speeds, making it suitable for applications that require quick response times and real-time data processing.3. Versatile functionality: The SN74LS138N can be used as a decoder or a demultiplexer, depending on the application requirements. It can decode three binary inputs into eight mutually exclusive outputs or function as an 8-to-1 line demultiplexer.4. Enable input control: The chip features an active-low enable input (G) that allows the user to enable or disable the outputs. This feature provides flexibility in controlling the output signals.5. Wide voltage range: The SN74LS138N operates within a wide voltage range, typically between 4.75V and 5.25V. This makes it compatible with various power supply systems.Application scenarios for SN74LS138N include:1. Address decoding: It is commonly used in microprocessor-based systems to decode memory or I/O addresses. By connecting the address bus to the inputs and using the outputs to enable specific memory or I/O devices, the chip facilitates efficient address decoding.2. Data demultiplexing: The SN74LS138N can be used to demultiplex a single data line into multiple output lines. This is useful in applications such as data routing, signal distribution, or data selection.3. Control signal decoding: It can be used to decode control signals in digital systems, enabling specific actions or operations based on the decoded signals.4. Display multiplexing: The chip can be utilized in multiplexed display systems, where it decodes the address lines to select specific segments or digits of a display.5. Programmable logic applications: The SN74LS138N can be used in programmable logic devices to implement complex logic functions by combining multiple chips.Overall, the SN74LS138N offers a cost-effective and efficient solution for decoding and demultiplexing applications, making it widely used in various digital systems and electronic devices.
SN74LS138N Relevant information